From: Jason Dillaman <dillaman@redhat.com>
Date: Sat, 18 Nov 2017 13:30:27 +0000 (-0500)
Subject: librbd: set deleted parent pointer to null
X-Git-Tag: v12.2.3~86^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=436d89b9d538b7521993b0fd6d0aeca253827775;p=ceph.git

librbd: set deleted parent pointer to null

Fixes: http://tracker.ceph.com/issues/22158
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
(cherry picked from commit 7b53256bb825383fc604a96d71bcd51c36668cc4)
---

diff --git a/src/librbd/image/RefreshParentRequest.cc b/src/librbd/image/RefreshParentRequest.cc
index 86001da82c60..6e9a4449f399 100644
--- a/src/librbd/image/RefreshParentRequest.cc
+++ b/src/librbd/image/RefreshParentRequest.cc
@@ -212,6 +212,8 @@ Context *RefreshParentRequest<I>::handle_close_parent(int *result) {
   ldout(cct, 10) << this << " " << __func__ << " r=" << *result << dendl;
 
   delete m_parent_image_ctx;
+  m_parent_image_ctx = nullptr;
+
   if (*result < 0) {
     lderr(cct) << "failed to close parent image: " << cpp_strerror(*result)
                << dendl;